The Grand Slam Challenge is a series of recreational rides catering to cyclists of differing abilities looking to share the experience with hundreds of like-minded riders. The rides are fully supported ensuring a safe, stress free ride for everyone. Meet new people, or meet up with old buddies, the Grand Slam Challenge rides are as much about the challenge as they are about the people you meet. Build up your fitness and increase your endurance throughout the year to complete the ultimate Grand Slam Challenge in October, or join us for one or two rides of the year.